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Disruption between London Paddington and Heathrow Airport / Reading expected until 19:00 

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Service alteration details

Incident reported: Friday 14 August 2026 at 14:25

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Last updated

Friday 14 August 2026 at 15:35

Train operators affected

Route(s) affected

Elizabeth line between Abbey Wood and Heathrow Terminal 4 / Reading, and also between Shenfield and Heathrow Terminal 5

Great Western Railway between London Paddington and Didcot Parkway

Heathrow Express between London Paddington and Heathrow Airport

Description

A failure of the electricity supply between London Paddington and Heathrow Airport / Reading means some lines are blocked. As a result, trains may be cancelled, delayed by up to 30 minutes or revised.

Disruption is expected until 19:00.

Customer advice for Elizabeth line:

You can use your ticket at no extra cost on the following alternative train and underground services:

  • London Underground services via any reasonable route

  • Great Western Railway services between London Paddington and Reading

  • South Western Railway services between London Waterloo and Reading

  • Heathrow Express between London Paddington and Heathrow Terminals (pre-paid tickets only)

  • Chiltern Railways between London Marylebone and High Wycombe

  • DLR via any reasonable route

  • Southeastern services between London Terminals and Abbey Wood

  • Thameslink services between Farringdon and Abbey Wood

  • Greater Anglia services between London Liverpool Street and Shenfield

  • c2c services between London Fenchurch Street and Upminster

  • London Overground (Liberty line) services between Romford and Upminster


Bus options:

Whilst this disruption is ongoing, buses are a simple and direct alternative. You can use your ticket at no extra cost on the below bus operators:

  • London Buses between Paddington and Heathrow Terminals / West Drayton

Tip: Travel towards Ealing Broadway or major interchanges for onward journeys.

From Ealing Broadway: 207, 427 - Paddington corridor

From Southall / Hayes & Harlington / West Drayton: 140 - Ealing Broadway or Heathrow

Continue to Central London via connecting buses or the Underground.

Travel to and from Heathrow Airport:

You can use your ticket at no extra cost on the following London Bus routes to help you travel to and from Heathrow Airport:

  • Local buses: 111, 105, 140, 285, 423

  • SL7: orbital route across London

Tip: For Central London, travel to Hammersmith or Ealing Broadway first, then continue by bus or Underground

Customer advice for Heathrow Express:

Services will be reduced to every 30 minutes.

Check before you travel:

You can check your journey using the National Rail Enquiries real-time Journey Planner.

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.

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